20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26
27 /*
28 * The Original Code is HAT. The Initial Developer of the
29 * Original Code is Bill Foote, with contributions from others
30 * at JavaSoft/Sun.
31 */
32
33 package com.sun.tools.hat.internal.server;
34
35 import com.sun.tools.hat.internal.model.*;
36 import java.util.*;
37
38 public class FinalizerSummaryQuery extends QueryHandler {
39 public void run() {
40 Enumeration objs = snapshot.getFinalizerObjects();
41 startHtml("Finalizer Summary");
42
43 out.println("<p align='center'>");
44 out.println("<b><a href='/'>All Classes (excluding platform)</a></b>");
45 out.println("</p>");
46
47 printFinalizerSummary(objs);
48 endHtml();
49 }
50
51 private static class HistogramElement {
52 public HistogramElement(JavaClass clazz) {
53 this.clazz = clazz;
54 }
55
56 public void updateCount() {
57 this.count++;
58 }
59
60 public int compare(HistogramElement other) {
61 long diff = other.count - count;
62 return (diff == 0L)? 0 : ((diff > 0L)? +1 : -1);
63 }
64
65 public JavaClass getClazz() {
66 return clazz;
67 }
68
69 public long getCount() {
70 return count;
71 }
72
73 private JavaClass clazz;
74 private long count;
75 }
76
77 private void printFinalizerSummary(Enumeration objs) {
78 int count = 0;
79 Map<JavaClass, HistogramElement> map = new HashMap<JavaClass, HistogramElement>();
80
81 while (objs.hasMoreElements()) {
82 JavaHeapObject obj = (JavaHeapObject) objs.nextElement();
83 count++;
84 JavaClass clazz = obj.getClazz();
85 if (! map.containsKey(clazz)) {
86 map.put(clazz, new HistogramElement(clazz));
87 }
88 HistogramElement element = map.get(clazz);
89 element.updateCount();
90 }
91
92 out.println("<p align='center'>");
93 out.println("<b>");
94 out.println("Total ");
95 if (count != 0) {
96 out.print("<a href='/finalizerObjects/'>instances</a>");
97 } else {
|
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26
27 /*
28 * The Original Code is HAT. The Initial Developer of the
29 * Original Code is Bill Foote, with contributions from others
30 * at JavaSoft/Sun.
31 */
32
33 package com.sun.tools.hat.internal.server;
34
35 import com.sun.tools.hat.internal.model.*;
36 import java.util.*;
37
38 public class FinalizerSummaryQuery extends QueryHandler {
39 public void run() {
40 Enumeration<?> objs = snapshot.getFinalizerObjects();
41 startHtml("Finalizer Summary");
42
43 out.println("<p align='center'>");
44 out.println("<b><a href='/'>All Classes (excluding platform)</a></b>");
45 out.println("</p>");
46
47 printFinalizerSummary(objs);
48 endHtml();
49 }
50
51 private static class HistogramElement {
52 public HistogramElement(JavaClass clazz) {
53 this.clazz = clazz;
54 }
55
56 public void updateCount() {
57 this.count++;
58 }
59
60 public int compare(HistogramElement other) {
61 long diff = other.count - count;
62 return (diff == 0L)? 0 : ((diff > 0L)? +1 : -1);
63 }
64
65 public JavaClass getClazz() {
66 return clazz;
67 }
68
69 public long getCount() {
70 return count;
71 }
72
73 private JavaClass clazz;
74 private long count;
75 }
76
77 private void printFinalizerSummary(Enumeration<?> objs) {
78 int count = 0;
79 Map<JavaClass, HistogramElement> map = new HashMap<JavaClass, HistogramElement>();
80
81 while (objs.hasMoreElements()) {
82 JavaHeapObject obj = (JavaHeapObject) objs.nextElement();
83 count++;
84 JavaClass clazz = obj.getClazz();
85 if (! map.containsKey(clazz)) {
86 map.put(clazz, new HistogramElement(clazz));
87 }
88 HistogramElement element = map.get(clazz);
89 element.updateCount();
90 }
91
92 out.println("<p align='center'>");
93 out.println("<b>");
94 out.println("Total ");
95 if (count != 0) {
96 out.print("<a href='/finalizerObjects/'>instances</a>");
97 } else {
|